TOP 10

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With an output capacity of 9 GW and 219 points , Acciona places first on our list for the top ten greenest utility companies . It held its first place on EI New Energy ’ s list from 2017 . With headquarters in Alcobendas , Spain , the company ’ s operations reach 40 countries across 5 continents . Founded in 1916 , the company has 37,521 employees , according to Bloomberg . As producers of renewable energy , Acciona creates , builds , operates , and oversees the maintenance of wind , solar thermal , hydro , solar photovoltaic , and biomass plants . According to the company website , Acciona has been carbon neutral since 2016 . SEPTEMBER 2019